From e85bdf8e54f85f83a3c42d4c98c19cdb5768ae1e Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Tue, 24 Dec 2019 18:47:55 +0100
Subject: [PATCH] Can create new groups

---
 src/controllers/GroupsController.ts | 21 +++++++++++++
 src/controllers/Routes.ts           |  2 ++
 src/entities/NewGroup.ts            | 23 ++++++++++++++
 src/helpers/GroupsHelper.ts         | 48 +++++++++++++++++++++++++++++
 4 files changed, 94 insertions(+)
 create mode 100644 src/entities/NewGroup.ts

diff --git a/src/controllers/GroupsController.ts b/src/controllers/GroupsController.ts
index d12ee07..2341ea9 100644
--- a/src/controllers/GroupsController.ts
+++ b/src/controllers/GroupsController.ts
@@ -2,6 +2,7 @@ import { RequestHandler } from "../entities/RequestHandler";
 import { GroupsHelper } from "../helpers/GroupsHelper";
 import { GroupsAccessLevel, GroupInfo, GroupVisibilityLevel, GroupPostsCreationLevel, GroupRegistrationLevel } from "../entities/Group";
 import { GroupMembershipLevels } from "../entities/GroupMember";
+import { time } from "../utils/DateUtils";
 
 /**
  * Groups API controller
@@ -48,6 +49,26 @@ GROUPS_POSTS_LEVELS[GroupPostsCreationLevel.POSTS_LEVEL_ALL_MEMBERS] = "members"
 
 export class GroupsController {
 
+	/**
+	 * Create a new group
+	 * 
+	 * @param h Request handler
+	 */
+	public static async Create(h: RequestHandler) {
+		const name = h.postString("name", 3);
+
+		const groupID = await GroupsHelper.Create({
+			name: name,
+			userID: h.getUserId(),
+			timeCreate: time()
+		});
+
+		h.send({
+			success: "The group has been successfully created!",
+			id: groupID
+		});
+	}
+
 	/**
 	 * Get the list of groups of the user
 	 * 
diff --git a/src/controllers/Routes.ts b/src/controllers/Routes.ts
index 27a8894..311cd52 100644
--- a/src/controllers/Routes.ts
+++ b/src/controllers/Routes.ts
@@ -85,6 +85,8 @@ export const Routes : Route[] = [
 
 
 	// Groups controller
+	{path: "/groups/create", cb: (h) => GroupsController.Create(h)},
+
 	{path: "/groups/get_my_list", cb: (h) => GroupsController.GetListUser(h)},
 
 	{path: "/groups/get_info", cb: (h) => GroupsController.GetInfoSingle(h)},
diff --git a/src/entities/NewGroup.ts b/src/entities/NewGroup.ts
new file mode 100644
index 0000000..303dd75
--- /dev/null
+++ b/src/entities/NewGroup.ts
@@ -0,0 +1,23 @@
+/**
+ * New group information
+ * 
+ * @author Pierre HUBERT
+ */
+
+export interface NewGroup {
+	
+	/**
+	 * The name of the group to create
+	 */
+	name: string,
+
+	/**
+	 * The ID of the user creating the group
+	 */
+	userID: number,
+
+	/**
+	 * The time of creation of the group
+	 */
+	timeCreate: number
+}
\ No newline at end of file
diff --git a/src/helpers/GroupsHelper.ts b/src/helpers/GroupsHelper.ts
index e4f3bbe..453b1f4 100644
--- a/src/helpers/GroupsHelper.ts
+++ b/src/helpers/GroupsHelper.ts
@@ -1,6 +1,8 @@
 import { DatabaseHelper } from "./DatabaseHelper";
 import { GroupsAccessLevel, GroupVisibilityLevel, GroupInfo } from "../entities/Group";
 import { GroupMembershipLevels, GroupMember } from "../entities/GroupMember";
+import { NewGroup } from "../entities/NewGroup";
+import { time } from "../utils/DateUtils";
 
 /**
  * Groups helper
@@ -13,6 +15,37 @@ const GROUPS_MEMBERS_TABLE = "comunic_groups_members";
 
 export class GroupsHelper {
 
+
+	/**
+	 * Create a new group
+	 * 
+	 * @param info Information about the new group to create
+	 * @throws {Error} In case of error
+	 */
+	public static async Create(info: NewGroup) : Promise<number> {
+
+		// Insert the group into the database
+		const groupID = await DatabaseHelper.InsertRow(GROUPS_LIST_TABLE, {
+			time_create: info.timeCreate,
+			userid_create: info.userID,
+			name: info.name
+		});
+
+		if(groupID <= 0)
+			throw Error("Could not create the group!");
+		
+		await this.InsertMember({
+			id: 0,
+			groupID: groupID,
+			userID: info.userID,
+			timeCreate: time(),
+			level: GroupMembershipLevels.ADMINISTRATOR,
+			following: true
+		});
+
+		return groupID;
+	}
+
 	/**
 	 * Check out whether a group exists or not
 	 * 
@@ -85,6 +118,21 @@ export class GroupsHelper {
 		return result.visibility;
 	}
 
+	/**
+	 * Insert a new group member
+	 * 
+	 * @param member Information about the group member to add
+	 */
+	public static async InsertMember(member: GroupMember) {
+		await DatabaseHelper.InsertRow(GROUPS_MEMBERS_TABLE, {
+			groups_id: member.groupID,
+			user_id: member.userID,
+			time_create: member.timeCreate,
+			level: member.level
+		});
+	}
+
+
 	/**
 	 * Get the membership level of a user for a group
 	 *